esptool: Update to v2.5.1

Release notes: https://github.com/espressif/esptool/releases/tag/v2.5.1

Needed to no longer burn keys if 3/4 Coding Scheme is enabled.
This commit is contained in:
Angus Gratton
2018-09-27 10:12:00 +10:00
committed by Angus Gratton
parent d7615df616
commit 1755fba8dc